To ship a package, WPS charges $7 for the first pound and $0.20 for each additional pound. RedEx charges $5 for the first pound and $0.30 for each additional pound. How many pounds, x, will it take for WPS to be the cost of RedEx?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

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Which of the choices shown could be used to prove that aacp=abcp ?